Updated doc for BN_clear, BN_CTX_end when param is NULL

[openssl.git] / doc / man3 / BN_CTX_start.pod

diff --git a/doc/man3/BN_CTX_start.pod b/doc/man3/BN_CTX_start.pod
index bf3a8b59ad01a559631237e62e85f0941af375fc..d4780fe9cdc163dacb13a421fe90630d6ab52c18 100644 (file)
--- a/doc/man3/BN_CTX_start.pod
+++ b/doc/man3/BN_CTX_start.pod
@@ -27,6 +27,7 @@ calls must be made before calling any other functions that use the
 B<ctx> as an argument.
 
 Finally, BN_CTX_end() must be called before returning from the function.
+If B<ctx> is NULL, nothing is done.
 When BN_CTX_end() is called, the B<BIGNUM> pointers obtained from
 BN_CTX_get() become invalid.